Anatomy of the Dogfish Shark:
External Morphology, Muscular System, Digestive and
Respiratory Systems, Urogenital System
QUIZ: All 4 figures on page 35; Fig. 4-3 on page 51.
I. ANATOMY OF THE DOGFISH SHARK
A. EXTERNAL MORPHOLOGY, Exercise 1. p. 31-35
Accomplish entire exercise – be sure to look at shark of opposite sex. OMIT Integument.
B. MUSCULAR SYSTEM, Exercise 3. p. 45-48
Find the following muscles: myomeres, myosepta, epaxial muscles, hypoaxial muscules, palatoquadrate levator, spiracular, mandibular adductor, 2nd dorsal constrictor, 3-6th dorsal constrictors, cucullaris, levator of pectoral fin, radial, depressor of pectoral fin, 3-6th ventral constrictors, 2nd ventral constrictor, intermandibular, interhayoid, coracomandibular, coracohyoid, coracobranchial, common coracoarcual,
C. DIGESTIVE AND RESPIRATORY SYSTEMS, Exercise 4. p. 49-53.
Find the following structures: right,
left and lateral lobe of the liver, gall bladder, common bile duct, ventral and
dorsal lobe of the pancreas, cardiac and pyloric portion of the stomach, rugae,
pylorus, cuodenum, ileum, spiral valve, colon, spleen, rectal gland, tongue,
buccal cavity, spiracle, internal gill slits, pharyngeal cavity, demibranch,
holobranch, gill raker, gill ray, gill filament.
D. UROGENITAL SYSTEM, Exercise 6. p. 65-67. Make sure
you look at a shark of the opposite sex.
Find the following structures: testix, mesonephric duct, sperm sac, kidney, ovary, oviduct, uterus.